Home / 248,917.20-373,272.86-78,081.93

Finding the Fourth Proportional to 248,917.20, 373,272.86 and 78,081.93

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Solution

The fourth proportional to 248,917.20, 373,272.86 and 78,081.93 is: 117,090.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,917.20 : 373,272.86 = 78,081.93 : x
  2. Step 2: Convert to fraction form
    248,917.20/373,272.86 = 78,081.93/x
  3. Step 3: Cross multiply
    248,917.20x = 373,272.86 × 78,081.93
  4. Step 4: Simplify right side
    248,917.20x = 29,145,865,520.62
  5. Step 5: Solve for x
    x = 29,145,865,520.62/248,917.20
  6. Step 6: Final answer
    x = 117,090.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.